Description of Business and Summary of Significant Accounting Policies (Tables)

12 Months Ended

Mar. 31, 2022

Organization, Consolidation and Presentation of Financial Statements [Abstract]

Schedule of typical performance obligations

The Company's typical performance obligations include the following:

Performance Obligation	When Performance Obligation is Typically Satisfied	When Payment is Typically Due	How Standalone Selling Price is Typically Estimated
Product Revenues
Standard purchase orders for delivery of a tangible product	Upon shipment (point in time)	Within 30 days of delivery	Observable transactions
Engineering services where the deliverable is considered a product	As work is performed (over time)	Within 30 days of services being invoiced	Estimated using a cost-plus margin approach
Service Revenues
Engineering and consulting services	As work is performed (over time)	Within 30 days of services being invoiced	Estimated using a cost-plus margin approach
SaaS	Over the course of the SaaS service once the system is available for use (over time)	At the beginning of the contract period	Estimated using a cost-plus margin approach
Extended warranty service	Over the course of the extended warranty period (over time)	At the beginning of the contract period	Estimated using a cost-plus margin approach

Schedule of cash, cash equivalents and restricted cash

Cash, cash equivalents and restricted cash presented in the accompanying statements of cash flows consist of the following (in thousands):

	March 31,
	2022		2021
Cash and cash equivalents	$	23,689	$	25,205
Restricted cash	120		263
	$	23,809	$	25,468